FRANCE. Alsace region. Haut-Rhin department. Mulhouse. "Jazz a Mulhouse" Festival. From left to right: French jazz musicians Yves ROBERT (trombone) and Joelle LEANDRE (double bass), and Portuguese jazz musician Carlos ZINGARO (violin). During the rehearsal for the concert "JOELLE LEANDRE NOW TODAY QUINTET' with the Swiss jazz musician Hans KOCH (saxophones). Monday 30th August, 1993.